Method of processing iron-containing mettalurgical residual substances as well as arrangement for carrying out said method

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United States of America Patent

PATENT NO 5853453
SERIAL NO

08750897

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Abstract

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In a method of processing iron-containing metallurgical residual substances, offgases containing iron-containing particles are washed out in a wet process and separated in the form of sludge. The sludge is then dehydrated and agglomerated; subsequently, the agglomerates are recycled into an iron melt production process. To recover the iron contained in the sludge, the agglomerates are passed exclusively into a refining stage of the steel production process. The present method may be used in a steel production process which produces steel from pig iron, as well as optionally from scrap and/or iron ore and/or sponge iron. The refining stage is performed using an oxygen blowing process.

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Patent Owner(s)

Patent OwnerAddress
VOEST-ALPINE INDUSTRIEANLAGENBAU GMBH4020 LINZ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lehner, Johann Linz, AT 4 4
Schrey, Gunter Linz, AT 11 35

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